import requests
import json

def pitch_shift_with_api(input_file, output_file, pitch_factor=2.0):
    """
    使用API进行音调调整的示例
    
    注意：这是一个示例代码，需要根据具体的API服务进行调整
    """
    
    # 示例：使用某个音调调整API
    api_url = "https://api.example.com/pitch-shift"  # 替换为实际的API地址
    
    # 准备请求数据
    files = {'audio': open(input_file, 'rb')}
    data = {
        'pitch_factor': pitch_factor,
        'format': 'mp3'
    }
    
    try:
        # 发送请求
        response = requests.post(api_url, files=files, data=data)
        
        if response.status_code == 200:
            # 保存处理后的音频
            with open(output_file, 'wb') as f:
                f.write(response.content)
            print(f"API处理成功，保存到: {output_file}")
        else:
            print(f"API请求失败: {response.status_code}")
            
    except requests.exceptions.RequestException as e:
        print(f"API请求错误: {e}")
    except Exception as e:
        print(f"处理错误: {e}")

# 使用示例
if __name__ == "__main__":
    input_file = 'meirenyu_pianduan.mp3'
    output_file = 'meirenyu_pianduan_api_pitch.mp3'
    
    # 使用API升高一倍音调
    pitch_shift_with_api(input_file, output_file, pitch_factor=2.0)
